iexpress.exe, is the kind of executable that would go in the category ”Everyone has it and many have no idea”.
iexpress.exe – Introduced by Microsoft On all Windows operating systems (Windows 7, Windows Vista, Windows XP …), this exclusion launches the application IEexpress framed in the category of hidden programs. Hidden Programs.

With this application you can create your own executable packages, of filing or Software installation. Specifically you can create files .exe.
IExpress is a technology designed to simplify creation of a setup program. Using the step-by-step IExpress Wizard, you can create self-extracting files that automatically run the setup program contained inside. The setup program can be an .inf file or an executable program. IExpress technology automatically removes the setup files after installation, saving the user time and frustration.
Via: technet.
iexpress.exe It is located either in the Windir %ServicePackfilesi386 folder or in %system %. If a good part of the executables give users headaches, this iexpress.exe is good. Being an executable that is responsible for System Core, it is very rarely the target of viruses.
To launch this application, go to the start of menu -> Run… -> taste "IExpress" -> Enter.